A series of relatively young underwater volcanoes has been discovered under the waves of the Pacific Ocean, some of which may even be active. The volcanoes were found during an expedition to map ...

In the middle of the Pacific Ocean, thousands of miles from any continent, Easter Island rises out of the sea. Its surface ...

As it cools down, the lava creates a long line of mountains under the ocean called the Mid-ocean ... are created by ancient volcanoes. Ben Nevis in Scotland was once a very large active volcano.

In the middle of the Pacific Ocean ... you have to look deep under Earth’s surface—into the mantle, a thick layer of hot rock between the crust and the core. Some volcanoes, like those ...